package demo4.mapper;

import demo1.User;

/**
 * 将来公司中对于接口和其实现类的命名常见的有两种
 * 1.
 * 接口名:UserMapper
 * 实现类:UserMapperImpl
 * 2:
 * 接口名:IUserMapper
 * 实现类:UserMapper*/
public interface IUserMapper {
    int insert(User user);
}
